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Using other than a wired connection to transfer signals or power. Includes optical and (ultra)sound, but most often refers to RF (Radio Frequency). Distances can be as low as centimeters (e.g. RFID); there's no upper limit.
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Can I solder a wire antenna to the exposed PCB antenna of a BBC Micro Bit to boost its bluet...
Can I solder a wire antenna to the exposed PCB antenna of a BBC Micro Bit to boost its Bluetooth signal for both transmitting and receiving data?
Can I solder this type of 2.4G antenna to boost the B …
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Question about how a Bluetooth signal propagates out of the antenna of a BBC Microbit?
I want to know how a Bluetooth signal propagates to which designated direction in these two pictures with the strongest output from the trace antenna.
Is there any HFSS analysis image similar to this …